/*
 * Flashlib - QB9 common Flash library
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


package com.qb9.flashlib.audio
{
	import com.qb9.flashlib.math.Random;

	/**
	 * Receives a list of IPlayables and plays one at random.
	 *
	 * <p>The SOUND_COMPLETE event is triggered right after the
	 * aforementioned IPlayable finishes all its loops.</p>
	 */
	public class RandomAudio extends PlayableCollection
	{
		public function RandomAudio(tracks:Array, id:String = null)
		{
			super(tracks, id);
		}
		
		/**
		 * Loops a random IPlayable as many times as requested (endless by default)
		 */
		public override function loop(times:int = int.MAX_VALUE) : void
		{
			super.loop(1);
			
			activeIndex = Random.randint(0, tracks.length - 1);			
			active.loop(times);
			
		}
		
		/** @inheritDoc */
		public override function get length() : Number
		{
			return active.length;
		}
	}
}
